Argentojarosite

(repeating unit)AgFe3+3(SO4)2(OH)6IMA symbolAgjrs[1]Strunz classification7.BC.10Dana classification30.2.5.5Crystal systemTrigonalCrystal classDitrigonal pyramidal (3m)Space groupR3mIdentificationColorYellow, yellow-brown, brownCrystal habitCoatings, fine-grained massesCleavage{0001} distinctMohs scale hardness3.5-4.5LusterVitreousStreakLight yellowSpecific gravity3.66Density3.66 (measured), 3.81 (calculated)Optical propertiesUniaxial (-)PleochroismDichroic,
O: Yellow,
E: Pale yellowReferences[2][3]

Argentojarosite is an iron sulfate mineral with the chemical formula AgFe3+3(SO4)2(OH)6. It is one of few iron sulfate minerals containing silver in its chemical formula as a dominant element.[2] Its type locality is the East Tintic Mountains, Utah.[2][3]

References

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ a b c Argentojarosite Archived 2019-04-06 at the Wayback Machine on mindat.org
  3. ^ a b Argentojarosite data sheet
Wikimedia Commons has media related to Argentojarosite.
  • Argentojarosite on the Handbook of Mineralogy

Bibliography

  • Palache, P.; Berman H.; Frondel, C. (1960). "Dana's System of Mineralogy, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. (Seventh Edition)" John Wiley and Sons, Inc., New York, pp. 565.
  • v
  • t
  • e